Diversities of coordination geometry at Cu²⁺ center in the bis(maleonitriledithiolato)cuprate complexes: Syntheses, magnetic properties, X-ray crystal structural analyses, and DFT calculations

X. M. Ren, Z. P. Ni, S. Noro, T. Akutagawa, S. Nishihara, T. Nakamura, Y. X. Sui, Y. Song